Candlestick-lubricator.



PATENTED NOV. 12. 1907.

GANDLESTICK LUBRIGATOR.

APPLIUATIOX FILED APE 30.1907- Q Vi have: Zuwuw UNITED STATES PATENT OFFICE.

EDWIN L. FAUL, OF NEW YORK, X. Y., ASSlGNOR TO WILLIAM J. F.\ L'L (10., OF NEW YORK,

X. Y., A CORPORATION OF SEW YORK.

I CANDLESTICK-LUB RIQATOR.

Specification of Letter: Patent.

Patented Nov. 12, 1907.

To all whom it may ronrnrn:

Be it known t-hul' I, EDWIN L. FA 'L, a citizen of the United Slates, und u resident of the Pit)! of New York, borough of llrmklyrr county of Kings, and State of New York, have in -outed new and useful lmprov merits in andlostiek-lJllu'il-utors. o! whit-h the follou ing is a spm-ilieatiou.

My invention relates to l 'Yl 'm for luhriruling In a'r-q ings of shafts, and ronsists of the hereinafter mor fully deserihed ronetruetion of sin-h a devi e, known in the art. as eundleslielaluhrieutor. a'nrh tandlesli k lu- I hritutors a lu-retol'or known in lhe art, eolnprise u ('up in the form of un inIr-riorly sen-w-lhrmuled llllll, of the same form as Iuhe shown in the drawings: u-piston loosely tilled inlolh 'vup. u spinil pring and an extel riorly sereu-llm-aded plug. Such a luhrir-ut r is usut allys r wed into the oil hole oiashul'tdn-ariug. and the luhrimlting suhslam'e. made in tluform of u slit'li, is

ins rted into th eup: th piston is set on top pf the sIi -k; the spring on top of the piston and finally the plug is sen-wed ingto eonipr ss the spring, and ezuse it to press the stink oi l'uhl'icaling suhstam-e ugninstt lushaft to he lubricat d. The spring may he courier-ted by a turn to the piston and to the lug.

It is neeessar vto press the stil'k of luhrii-ant against the shaft with us neurly ronstant pn-ssure as possible, and the tender of the mat-hinory is required to w-revr in the plug further into the vup from time to time, u the luhrimnt is being used up by the irit-tion ot' th shaft then-on. The d fer-ts of lh (:onstruelion of sut-h eundl -sliek lulnit'ntoin. as heretofore known. are that the spring hetuet-n the piston and the plug is often broughtinto a slanting position, whereby th piston and spring are wedg d in in the eup. whirl: interferes with the prop r operation of the luhrimtor. fr quently rendering it entirely inoperative. it is th n frequently ren Ill-red dillivult to remove the spring and the plug from the Hip. and in so doing, the spring is damaged and r nd red us l sn; The attempts to remedy this It joining the spring to the piston. and to the plug, have not proved mu-rossfuhami in fart. this fr quently results only in minor! n; or untn'inting the spring, wh n the plug is being s rewed in or out. Furthermore, owing to the flmstruelion of the derive, as h retofore known, th tender of the nnn-hinwy is who unalale not be made oI sin-h strength to on-monw the irietion of the luhrieating stir-k. or in twist the t'Xl'PH-"iifl screwing ine! the plug.

The ohjer-m of my invention are to obviate the \SLU'M of these d ft-eta, and tothis end I have devised the tin- 1 pr v d vandh-stiek lulu-ieatmshoe" in the awompunying drawings, wherein:

i l stiek lulirilnlm. t-nibmlying my invention: Fig. 2 in lsimilar \h-imoi the plug and piston; Fig' 3. a longitudinu! seeti md riew oi the plug; this view being at right i angles to the! showriin Figs. 1 and 2. t i

l 'l'lnim mvenn-uts embodied in the eonstruflion of the lul-rimtonshown in the drawings, mnsiat, (l) in 1 looking the lug b hollow as shown in Fig. 3, ('2) in I providing a slum e, snugly fitted into the bore 0 of the i plug. For the piston pand (Blinproviding tin-head don the stem. the head being fitted into the bore d.

t 'lllt hon-s 4- and d are made by drills, and u,- groove g is out by a die in the usualmanner. Plug 6 must be i made sutlieiently long to permit the rem-ding into it 0 sueh por1 ion of the stern c as will bring the head dot the stem into the outer opening of the bore (1, when the epringfi! compressed to the permissible extent, and is pnn-idmLn'ith a notch g to enable a screw driver to be inserted aln-rein, and to turn the plug when inserted in the (:up, as hown in Fig. 1. This notch, however, is gicm-ssihle to a. screw driver only when the spring I, actenilogh of the stem 1 from the plug b to move the head 4 beyond the notrh g; as long as the apparatus is in the posilioh shown in Fig. 1, head 6 iills the mouth of the hon.- d,und thus prevents the inserting of a screw any deeper.

The length of the stem 0 and of the plug b are determined aeeording to the calculated consumption of the luln'ieunt and the frequency of inspection. Piston p is provided with a screw-threaded bore and acorn-spending m-reix-thrt-ud is provided on the end of the stem 1'. The h ad d of the stem, serves as an indicator of the position of the piston p. When in the position. shown in Fig. I, it prevents further screwing in of the plug d, and as the length of the stem 0 is proportionatul to the length oi the plug, with considerationio! the greatest i eonipns ion of the spriugf is thus prevented and a constnntly in-e and easy openttion oi the device is secured. In assembling the devire, the stem c is first slid into the hon-r, lluspringjslidthemm, and then the piston i p isacfl-wed on its end. Sta-m coervoe as ug ride for the 1 piston 11, thus keeping it constantly in p uilion at right I angl s: to the axis of the cup, and insuring its free mo tion. It also serves as a support for the #pringf, and avoids its being brought into a'ulanting po ition, and 1 I being w lfgml in the cup.

The parts no brought in the position shown in Fig.2, only when the luhrieant l in being consumed and them- Fiuur I. is a longitudinal seetionul view-of a handledriyer into notch g and the plug can not be screwed in.

l ng on the piston p, as shown in Fig. 2, has drawn permissible compression of the spring j, any firmed-L no. I

fore, when the lubricant is not being consumed the .parts remain in the position shown in Fig. 1. Thus the device serves also as an indicator of the proper opera tion of the lubricator. If, for instance the lubricator '5 would stop operating, the machine tender will Iintltlue head 6 in the same position where he left it. when last setting the luhricator, and will thus be informed that the lubricator does not operate. And again, if the cup should have been'let't accidentally empty, or if the lu- 10 bricanthnd melted, the machine tender will find, when coming to set Llle 11ll)!iC l.l,Ol', tl]iLt he can scr w in the plug b as far as the screw-thread goes, without having the screw driver pushed out. In such a case the head will not enter the mouth of the bore d, as the piston p i 15 will strike no resistance. I I Instead of providing the plug with the notch g, as shown in the drawing, the bore d may he squared or other similar means may he provided for turning the plug b in the cup 0,. Tlit'making of the notch g however, is the most suitable and simple way of providing such means. It is preferable to make the head d of the Stem'conically pointed, as shown in Fig. 1, particularly.

screwed in as far as it should go. It is, however, not necessary or essential for an eilicient function of my device, that the head d be so eonically shaped, though it is preferable for the reasons stated.

I claim as my invention:

I. A candlestick lubricntor, comprising an lnterlorly St'rlVlIlllt-Hilltll tube. an exteriorly screw-threatled plug titted therein; a recessed bore in the plug; a. stem titted into the bore of the plug; a piston loosely fitted into the tulle set on the stem, :1 head on the other end of the stem, fitted into the ll't'QF-Sfld portion of the here, and a spring Sl'l on the stem between the piston and the plug.

2. A candlestick luhricator, comprising an lnterlorly .-x('rewth|'eudcd tube, and an exteriorly screw-threaded plug -".ted therein; .1 h re in the plug; a stem titted in the bore of Hit: plug: a plzi'inll set on the stem, at eonicnlly shaped head on the othezr end 0! the stem fitted into the recessed portion of the bore, and n spring set on the stem between the piston and the plug.

It. A candlestick luhricator, comprising an lnteriorly screwthreuded tube and an exterioriy screw-threaded plug. slotted on one end titted therein; a bore in the plug: a stem fitted to the here of the plug: a head on one end of the stem and a piston on its other end, the head being adapted to reeede into the bore of the plug when the piston is drawn out, and a spring set on the stem between the piston and the plug.

. EDWIN L. FAIiLt. Witnesses M. A. Hill-XE, V. BRAUN. 

